CONTROL OF THE TEMPERATURE DISTRIBUTION IN AN ANNULAR TYPE NON-ISOTHERMAL ADSORBER

摘要

This paper is concerned with the state estimation and the control of temperature distribution in an annular type packed bed adsorber. For the effective separation of multi-component gaseous mixture, it is necessary to control the temperature distribution in the two dimensional space (axial and angular direction) of the adsorber. In this work, the controller design is based on a method reducing distributed parameter system (DPS) to lumped parameter system (LPS) through the eigenfunction expansion. The advantage of this method is that the design of feedback controller is very simple because the reduced LPS model is completely decoupled. The results show that the whole temperature distribution in the adsorber is estimated accurately from several measurements by using the Kalman filter as an observer. And the designed servo controllers' performances are satisfactory in spite of using the reduced order LPS model.